Photo by Melody

PlantFiles: Trumpet Vine, Trumpet Creeper, Cow-Itch Vine
Campsis radicans 'Judy'

Family: Bignoniaceae (big-no-nih-AY-see-ee) (Info)
Genus: Campsis (KAMP-sis) (Info)
Species: radicans (RAD-ee-kans) (Info)
Cultivar: Judy

14 members have or want this plant for trade.

Vines and Climbers

20-30 ft. (6-9 m)

12-15 in. (30-38 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade

Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
Average Water Needs; Water regularly; do not overwater
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds

Soil pH requirements:
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From softwood cuttings
From hardwood cuttings
Allow cut surface to callous over before planting
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
By simple layering
By air layering
By serpentine layering

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By mystic
Thumbnail #1 of Campsis radicans by mystic


No positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral kmm44 On Jul 3, 2014, kmm44 from Dayton, OH wrote:

I had a orange-blooming trumpet vine for 15 yrs or so. My son gave it to me when it was just a tiny stick with 3 root hairs. I planted in front of a split-rail fence with a garden fencing liner. I grew by leaps and bounds, blooming in the 3rd year.
It was a love-hate relationship. I loved it because the flowers were beautiful and the hummingbirds loved it. I also saw hummingbird moths for the first time hovering around it.
HOWEVER--it was very invasive! I constantly had to pull out suckers from the flower bed and yard. The suckers also invaded the neighbors' yard on the other side of the fence.
It looked more like a tree than a vine. It had 4 thick "trunks" intertwined into the fence. The leaves and flowers were a canopy 12-15 feet up.
3 yrs ago much of the plant didn't leaf out and the next year only one small section did. The fence it was growing on had become dilapidated and I had to replace it, so the trumpet vine came out with the old fence. I think the fence guys got rid of the suckers, too. I miss the flowers and hummers, but not the battle, lol.
Just remember, if you are going to plant a trumpet vine, put it in full sun somewhere with strong support away from any structures and be prepared to battle the suckers that will constantly pop up.

Neutral berrygirl On Mar 17, 2007, berrygirl from Braselton, GA (Zone 7b) wrote:

Campsis radicans 'Judy' YELLOW TRUMPET VINE Dec (z5) (Hum,ENa)
Introduced by Woodlanders Nursery, this vigorous SE native vine has large yellow-apricot trumpet-shaped flowers. Sun/Med


This plant has been said to grow in the following regions:

Valley Center, California
East Brookfield, Massachusetts
Albuquerque, New Mexico
Bosque, New Mexico
Dayton, Ohio
Lancaster, Pennsylvania

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